Answer each of the questions below. When the answers are right, an astronomy picture will appear. To learn about the Solar System, click here.

1. How many planets and dwarf planets are in our Solar System?
6
9

2. Which planet (or dwarf planet) is closest to the Sun?
Venus
Mercury
3. Which planet (or dwarf planet) is now farthest from the Sun?
Neptune
Pluto
4. Which planet has prominent, beautiful rings?
Saturn
Mars
5. Do all the planets have moons?
No
Yes
6. Which planet has the shortest year?
Mercury
Earth
7. Which planet is the largest?
Jupiter
Uranus
8. Which planet is the hottest?
Venus
Mercury
9. What are asteroids made of?
rock and metals
ice
10. What star is closest to us?
Sun
Alpha Centauri